Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biosynthetic.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 13:37:49 UTC · ↺ Refresh
MX Hostnames
- mxa-002b5801.gslb.pphosted.com
- mxb-002b5801.gslb.pphosted.com
MX Priorities
- mxb-002b5801.gslb.pphosted.com: 10
- mxa-002b5801.gslb.pphosted.com: 10
A / AAAA Records
- 104.21.94.51 (no PTR)
- 172.67.219.209 (no PTR)
- 2606:4700:3032::6815:5e33 (no PTR)
- 2606:4700:3037::ac43:dbd1 (no PTR)
Mail Server IPs
- 148.163.150.252 ↩ mx0a-002b5801.pphosted.com
SOA Record
Raw SOA
ed.ns.cloudflare.com dns.cloudflare.com 2398512274 10000 2400 604800 1800
Primary NS (mname)
ed.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398512274
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
etta.ns.cloudflare.com
ed.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- openai-domain-verification=dv-e15Mh9JS4Tmc7K4FM6nTia0t
- rhv28nakvmv12tjurrk5ockmo6
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- MS=ms14983196
- biosyntheticv2.azurewebsites.net
- brevo-code:bd5830371bd80217df7653fad0c4b3b7
- dropbox-domain-verification=sbddeyos1cuk
Full email verification for biosynthetic.com
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